Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 18, 20, ['U', '7165', 'M', 'O', 'C', '5801', 'a', 'X', '5651', '4939', '3535', '4385', '8175', 'a', '1919', '709', '9639', 'W', 'w', 'b']

0